<?php
/***********************************************************************************
 * X2Engine Open Source Edition is a customer relationship management program developed by
 * X2 Engine, Inc. Copyright (C) 2011-2019 X2 Engine Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY X2ENGINE, X2ENGINE DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * You can contact X2Engine, Inc. P.O. Box 610121, Redwood City,
 * California 94061, USA. or at email address contact@x2engine.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * X2 Engine" logo. If the display of the logo is not reasonably feasible for
 * technical reasons, the Appropriate Legal Notices must display the words
 * "Powered by X2 Engine".
 **********************************************************************************/




/**
 * Used to validate/manage global css
 */

class GlobalCSSFormModel extends X2FormModel {

    /**
     * @var string the file being imported 
     */
    public $css = '';

    public static function getGlobalCssFilename () {
        return 'global.css';
    }

    public static function getGlobalCssPath () {
        return implode(DIRECTORY_SEPARATOR, array(
            'themes',
            'x2engine',
            'css',
            self::getGlobalCssFilename ()
        ));
    }

    public static function getGlobalCssUrl () {
        return Yii::app()->theme->baseUrl.'/css/'.self::getGlobalCssFilename ();
    }

    public static function getGlobalCss () {
        if (!file_exists (self::getGlobalCssPath ())) return false;
        return file_get_contents (self::getGlobalCssPath ()); 
    }

    private $_purifier;
    public function getPurifier () {
        if (!isset ($this->_purifier)) {
            $this->_purifier = new CHtmlPurifier ();
        }
        return $this->_purifier;
    }

    public function save () {
        if ($this->validate ()) {
            return file_put_contents (self::getGlobalCssPath (), $this->css) !== false; 
        }
    }

    public function rules () {
        return array (
            array (
                'css', 'validateCss',
            ),
        );
    }

    public function validateCss ($attribute) {
        $value = $this->$attribute;
        $purifier = $this->getPurifier ();
        $this->$attribute = $purifier->purify ($value);
    }

    public function attributeLabels () {
        return array (
            'css' => Yii::t('reports', 'CSS Editor:'),
        );
    }
}

?>
